Perhaps you should try some spelling variations:
"and computational on precoder program" » "_ computational on precoder program" (Expand search), "and computational one precoder program" (Expand search), "and computacional on precoder program" (Expand search), "and computational and precoder program" (Expand search), "and computational on proder program" (Expand search), "and computational on recovery program" (Expand search), "and computational on precoce programa" (Expand search), "and computational to precoder program" (Expand search), "and computational of precoded program" (Expand search)
"using codigo python python programming" » "using codigo pythons python programming" (Expand search), "using codigo piton python programming" (Expand search), "using codigo pitons python programming" (Expand search), "using indigo python python programming" (Expand search), "using coding python python programming" (Expand search), "using codium python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("and computational on precoder program") OR ("using codigo python python programming"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"and computational on precoder program\") OR (\"using codigo python python programming\"))".
• Removing quotes may allow a broader search: (( and computational on precoder program ) OR ( using codigo python python programming )).
• Adding a wildcard symbol may retrieve word variants: (("and computational on precoder program") OR ("using codigo python python programming"))*.